Z ZTDM Military Tactical Backpack, Large 3-Day Assault Pack, 40L/50L Outdoor MOLLE System Rucksack, Bug Out Survival Bag for Camping Hiking, Heavy Duty, Upgraded Waterproof 900D Oxford LARGE CAPACITY: 40L can be used as a 3-day assault pack, ideal for hunting/ fishing/ camping/ hiking/ traveling/ trekking... Also is cool for carrying books or gears. Multiple zippered dividers hold more. Size: (19 x 13 x 10.3)" / (48 x 33 x 26) cm (L x W x H) HEAVY-DUTY: Upgraded thickened 900D oxford fabric features better scratch-resistance, abrasion resistance, tear-resistance and dirt-resistance. Meanwhile, light weight feature lighten your burden. MOLLE: System allows extra attachment by loading pockets, tactical pouches, water bottle bags, accessory kits or other things. Main compartment and front organizational pockets allow quick access. COMFT ERGONOMIC DESIGN: Padded shoulder straps and webbing handle offer comfort and convenience for carrying. The ventilated mesh padding in the back area and shoulder straps makes it breathable and comfortable to use. Adjustable shoulder strap, waist belt for heavy loading are available. DURABLE & WATERPROOF: Strengthened buckles, smooth zippers, high density fabric material, this tactical pack is super reliable and durable. As for water-resistance, we do not suggest using in heavy rains concerning inner contents safety.